Last updated: October 30, 2025
In Ulsan, South Korea, February brings a mix of chilly temperatures and potential for occasional rain. The maximum temperature can reach a pleasant 23°C (73°F), while the average hovers around a cool 4°C (40°F), dipping to a minimum of -9°C (15°F) during the night. With 39 mm (1.5 in) of precipitation spread over 4 days, residents can expect some dampness amidst the crisp winter air, complemented by an average humidity level of 67%. This transitional month showcases the stark contrasts characteristic of Ulsan's winter climate, offering a unique experience for both locals and visitors alike.
In Ulsan, South Korea, February marks a notable transition in temperatures as the city moves away from the deeper chill of winter. With temperature lows averaging around -9°C (15°F), warmer days begin to emerge, as evidenced by a significant jump in the average temperature to 4°C (40°F) and maximum highs climbing to a pleasant 23°C (73°F). This progressive warming paves the way for the onset of spring, illuminating the stark contrast from January's frigid lows of -12°C (11°F). February's weather offers a glimpse of renewal, inviting citizens and visitors alike to enjoy the budding vitality of the city as it shakes off the cold and gears up for more temperate days ahead.
In February, Ulsan experiences a moderate increase in precipitation, with about 39 mm (1.5 in) of rain falling across four days. This uptick follows a slightly drier January and marks the beginning of a gradual trend toward wetter months, leading into the spring season. As the city transitions into March, precipitation rates notably escalate, more than doubling to 86 mm (3.4 in), reflecting a shift in weather patterns characteristic of the approaching warmer months. With February’s rain paving the way, residents can expect increasingly frequent precipitation as the weeks progress toward summer, setting the stage for a dynamic weather pattern in the months ahead.
February in Ulsan, South Korea, experiences a notable drop in humidity, with levels averaging around 67%, down from 72% in January. This easing of moisture in the air hints at the transition towards the drier spring months ahead. As winter relinquishes its grip, February serves as a bridge to the increasingly variable humidity that characterizes the months to come. It's a refreshing relief before the humidity climbs back up, peaking dramatically in the summer months, where it can reach a staggering 95% in July. This month, however, invites a sense of clarity and comfort, making it ideal for outdoor activities before the humidity begins its steep ascent once more.
February in Ulsan, South Korea, sees a moderate UV Index of 5, similar to January, which means outdoor enthusiasts should remain mindful of sun exposure. With a consistent burn time of 30 minutes, it’s a reminder that even during winter, UV radiation can be significant. As the month progresses into March, the UV Index rises to 7, marking a shift to a high exposure category and signaling the approach of sunnier days ahead. This upward trend indicates that as spring approaches, residents and visitors should prepare for increasing sun intensity. For more detailed information on the UV Index throughout the year in Ulsan, explore Ulsan UV Index.
UV Risk Categories
February shines brightly in Ulsan, South Korea, with an impressive 242 hours of sunlight, marking a delightful increase from January's 197 hours. As winter transitions to spring, the days grow longer and sunnier, setting the stage for an uplifting month filled with outdoor activities and blossoming nature. Following February, the trend continues to climb, with March bringing 272 hours and April peaking at 284 hours of sunshine. This progressive increase not only reflects the warming temperatures but also heralds the vibrant energy of the upcoming seasons. Enjoying the early signs of spring, residents can revel in the inviting rays of sunshine that February graciously offers.
In February, Ulsan experiences a 58% chance of sunny weather, maintaining a pleasant level of sunlight as winter gradually transitions into spring. While this percentage shows a slight decline from January's sunny 61%, it remains significantly higher than the sun-drenched months ahead—March and April—where the likelihood drops to 38% and 44%, respectively. This trend indicates that February still offers more opportunities for sunshine before heading into the cloudier summer months characterized by lower chances of sun, particularly in July and June. As winter wanes, February serves as a bridge to brighter days ahead, making it a delightful time for outdoor activities under the sun.
In February, Ulsan, South Korea, enjoys a steady 10 hours of daylight, mirroring January's light availability. This consistency hints at the slow transition into spring, as daylight gradually increases in the coming months. By March, daylight extends to 11 hours, and the natural world begins to awaken, followed by a significant leap to 13 hours in April. The trends continue as May and June present the year’s longest stretches of sunlight at 14 hours, fostering an atmosphere ripe for outdoor activities and blooming flora. As summer wanes, daylight begins to recede, gradually tapering off to 12 hours in September, and further down to 10 hours by November. This cyclical fluctuation not only marks the change in seasons but also enriches the character of life in Ulsan throughout the year.
In February, Ulsan experiences a steady breeze, with an average wind speed of 3.8 m/s (8 mph), mirroring the calmness of the preceding month, January. As the city transitions from winter to early spring, this consistent wind pattern invites a refreshing chill, offering a gentle reminder of the season’s lingering chill. Interestingly, as spring approaches in March, the average wind speed slightly dips to 3.3 m/s (7 mph), signaling a trend of gradually decreasing winds through the warmer months ahead. This gentle shift sets the stage for the milder breezes of later months, making February a unique blend of winter’s retreat and spring’s anticipation.
Weather in Ulsan varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Ulsan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of January to February, February generally offers slightly milder conditions, with higher average temperatures and maximums. While January's temperatures range from a minimum of -12°C (11°F) to a maximum of 16°C (62°F), February's temperatures are warmer, ranging from -9°C (15°F) to a maximum of 23°C (73°F). Additionally, February experiences a bit more precipitation, totaling 39 mm (1.5 inches) over 4 days compared to January's 32 mm (1.2 inches) over just 3 days. Humidity is also slightly lower in February at 67%, compared to January's 72%. For more details on January weather, you can visit Ulsan weather in January.
February and March present a transition in weather as winter gives way to early spring. February features temperatures ranging from a chilly minimum of -9°C (15°F) to a maximum of 23°C (73°F), with an average of 4°C (40°F). The month experiences relatively low precipitation, totaling 39 mm (1.5 in) over four rainy days, and maintains a humidity level of 67%. In contrast, March warms up slightly, with temperatures fluctuating between a minimum of -2°C (29°F) and a maximum of 22°C (73°F), averaging around 9°C (49°F). However, March brings increased precipitation with a total of 86 mm (3.4 in) over eight days, while humidity decreases slightly to 65%. For a more detailed overview, check out Ulsan weather in March.
When comparing the weather in February and April, notable differences emerge. February experiences cooler temperatures, with a minimum of -9°C (15°F) and an average of 4°C (40°F), while April sees milder conditions, ranging from a minimum of 2°C (35°F) to an average of 14°C (57°F). Precipitation also increases in April, totaling 87 mm (3.4 in) over seven days compared to February's 39 mm (1.5 in) over four days, contributing to a higher humidity level of 75% in April versus 67% in February. These shifts highlight the transition from winter to spring, making April a notably wetter and warmer month. For more details on April weather, you can visit Ulsan weather in April.
February and May present distinct contrasts in weather conditions. In February, temperatures range from a chilling minimum of -9°C (15°F) to a mild maximum of 23°C (73°F), with an average of 4°C (40°F). The month experiences approximately 39 mm (1.5 in) of precipitation over about 4 days, coupled with a humidity level of 67%. In contrast, May boasts warmer temperatures, with a minimum of 6°C (43°F) and a peak reaching 33°C (92°F), resulting in a more comfortable average of 19°C (66°F). This month also sees increased rainfall, totaling around 80 mm (3.1 in) over 8 days, along with higher humidity at 83%. For a detailed look at the weather specifics for May, check out Ulsan weather in May.
February and June present contrasting weather patterns. In February, temperatures range from a chilly minimum of -9°C (15°F) to an average of 4°C (40°F) and a maximum of 23°C (73°F). The month experiences relatively low precipitation with only 39 mm (1.5 in) over approximately 4 days, and humidity sits at 67%. In stark contrast, June brings warmer conditions with minimum temperatures starting at 13°C (56°F) and averaging around 22°C (72°F), reaching a maximum of 32°C (90°F). This month is much wetter, with total precipitation of 144 mm (5.7 in) spread across 10 days, and the humidity increases significantly to 87%. For a more detailed look at the June weather, you can check Ulsan weather in June.
February and July present dramatically contrasting weather patterns. In February, temperatures range from a chilly minimum of -9°C (15°F) to a maximum of 23°C (73°F), with an average of around 4°C (40°F). The month sees relatively low precipitation, totaling 39 mm (1.5 in) over just 4 days, and the humidity sits at a comfortable 67%. In stark contrast, July boasts much warmer temperatures, with a minimum of 17°C (63°F), an average of a sweltering 26°C (78°F), and a peak reaching 36°C (98°F). This summer month experiences significantly higher precipitation, accumulating 244 mm (9.6 in) over 14 days, and humidity levels soar to 95%. For a detailed look at July weather, you can visit Ulsan weather in July.
February and August present stark contrasts in weather. February experiences a chilly climate with temperatures ranging from a minimum of -9°C (15°F) to a pleasant average of 4°C (40°F) and can reach up to 23°C (73°F) on warmer days. Precipitation is relatively low, with only 39 mm (1.5 inches) occurring over about four days, and humidity levels sit at a moderate 67%. In contrast, August is characterized by significantly warmer conditions, with minimum temperatures around 19°C (66°F) and an average of 27°C (81°F), peaking at a scorching 36°C (98°F). This month also sees a substantial increase in rainfall, totaling 199 mm (7.8 inches) spread over 15 days, accompanied by much higher humidity levels at 93%. For more detailed information, check out Ulsan weather in August.
February weather presents a stark contrast to September, with February's temperatures ranging from a chilly -9°C (15°F) to a mild 23°C (73°F), averaging around 4°C (40°F). In this month, the region experiences minimal precipitation of 39 mm (1.5 in) over just four days, with a humidity level of 67%. On the other hand, September boasts milder temperatures, with a minimum of 13°C (56°F) and a maximum of 30°C (87°F), averaging 22°C (73°F). The month is much wetter, receiving 236 mm (9.3 in) of rainfall across 12 days, accompanied by higher humidity at 80%. For a detailed look at September weather, visit Ulsan weather in September.
February and October display striking contrasts in weather patterns. In February, temperatures can dip to a chilly minimum of -9°C (15°F), with an average of 4°C (40°F) and occasional highs reaching 23°C (73°F). The month sees about 39 mm (1.5 in) of precipitation over approximately 4 days, accompanied by a relatively low humidity level of 67%. In contrast, October presents a much milder climate, featuring minimum temperatures around 5°C (41°F) and a pleasant average of 17°C (63°F), peaking at 30°C (85°F). Rainfall significantly increases to 100 mm (3.9 in) across 7 days, with humidity rising to 77%. For more details, you can check out Ulsan weather in October.
February and November present distinct contrasts in weather patterns. February experiences colder conditions, with temperatures ranging from a minimum of -9°C (15°F) to a maximum of 23°C (73°F) and an average of 4°C (40°F). Precipitation is relatively higher at 39 mm (1.5 in) over 4 days, coupled with a humidity level of 67%. In contrast, November offers milder temperatures, with a minimum of -2°C (29°F), an average of 11°C (52°F), and a maximum of 22°C (72°F). Precipitation in November is lower at 21 mm (0.8 in) across 3 days, and humidity increases slightly to 75%. For a detailed overview of what to expect in November, visit Ulsan weather in November.
When comparing the weather in February and December, we find that both months experience similar average temperatures, around 4°C (40°F). However, February can see higher maximum temperatures reaching up to 23°C (73°F), while December typically peaks at 18°C (64°F). In terms of precipitation, February receives more rainfall at 39 mm (1.5 in) over four days, compared to December's 23 mm (0.9 in) over three days. Additionally, December exhibits slightly higher humidity at 73%, compared to February's 67%. For more details on December weather, you can visit Ulsan weather in December.
As February unfolds in Ulsan, the transition from winter to spring becomes palpable, offering a refreshing change from the colder months. While temperatures can still dip to chilly lows, the emergence of warmer days, with maximums reaching up to 23°C, heralds the promise of upcoming warmth. Compared to the frigid temperatures typical of January, February's weather feels almost mild, accompanied by increased humidity levels that make the air feel more vibrant. With a modest amount of precipitation spread across just a few days, this month strikes a balance that sets the stage for spring, making it an appealing time for outdoor activities. For a deeper understanding of Ulsan's climate trends throughout the year, visit Ulsan Climate.